what's Swiss Chems MK677 Ibutamoren? MK-677, often called ibutamoren or ibutamoren mesylate, is really a peptide that belongs to the growth hormone secretagogues team (GHSR). it really works by mimicking the action with https://steveczik118398.blog5star.com/35789509/what-s-swiss-chems-mk677-ibutamoren